Single vs Double Electric Breast Pump: Which to Choose?
By Lansinoh UK | Published: 2026-10-16
Category: Comparisons
Compare single and double electric breast pumps on time, output and cost. See who suits a compact single and who benefits from double pumping.
Quick answer
Choose a single electric pump if you express occasionally, want a lightweight pump for travel, or need to keep one hand free while pumping the other side. Choose a double electric pump if you express regularly, want to cut pumping sessions roughly in half, or are building a freezer stash. The Lansinoh Compact Single Electric Breast Pump is the lighter, lower-cost route; a double pump is the more efficient route for frequent expressing.
How single and double electric pumps differ in practice
A single electric pump expresses one breast at a time. The Lansinoh Compact Single Electric Breast Pump is built for this: it is lightweight, compact and discreet, and it can run from a micro-USB adapter or a mains AC adapter. A double electric pump expresses both breasts at once, which usually shortens a session because you are not repeating the whole routine twice.
The practical difference is time and setup, not just suction. With a single pump you position, pump, then switch sides. With a double pump you position both sides, then express once. If you pump several times a day, those saved minutes add up; if you pump once in a while, a single pump is simpler and easier to carry.
Time, output and cost: the real trade-offs
Double pumping is generally the faster option for regular expressing because both breasts are drained in one session. Single pumping takes longer per session but lets you use your free hand to massage, hold a bottle, or attend to a baby. Neither is automatically better; the right choice depends on how often you express and where you do it.
Cost is a genuine factor. A single electric pump typically costs less than a double, and the Compact Single Electric Breast Pump is currently listed at a lower price than many double setups. Spare parts also differ: the Connector & Tubing Set for the Compact Single Electric is designed for that pump only, while the Connector & Tubing Set for the Double Electric fits the SmartPump 2.0 and 2-in-1 Double Electric pumps and includes a Y-connector for double or single expressing. Check compatibility before buying replacements, because the two kits are not interchangeable.
What to check before you decide
Think about your typical day. If you return to work and need to express quickly in a break, a double pump reduces the number of sessions. If you are mostly at home and feed directly, a single pump may be enough for occasional bottles or relief. Also consider where you will pump: a compact single pump that runs on micro-USB or mains is easier to use away from home, while a double pump usually stays in one place.
Plan for replacement parts from the start. Tubing and connectors wear, get lost or need replacing for hygiene reasons, and an incompatible set will stop you pumping. The Compact Single connector set is specific to that pump, so if you choose the single, buy the matching kit. If you choose a double, the double connector set gives you more tubing and a Y-connector, which is useful if you ever want to express one side only.
Trade-offs at a glance
- Time per session: A double electric pump expresses both breasts at once, so a session is usually shorter than pumping each side separately with a single pump. Choose double if you pump several times a day; choose single if you pump occasionally.
- Portability: The Compact Single Electric Breast Pump is lightweight, compact and discreet, and can run from a micro-USB adapter or mains AC adapter. A single pump is easier to carry and use away from home.
- Spare-part compatibility: The Compact Single connector and tubing set fits only that pump, while the Double Electric set fits the SmartPump 2.0 and 2-in-1 Double Electric pumps and includes a Y-connector. Buy the spare kit that matches your pump model; they are not interchangeable.
Product facts
- Compact Single Electric Breast Pump: The Lansinoh Compact Single Electric Breast Pump is lightweight, compact, discreet, and compatible with a micro-USB adapter or mains AC adapter. It has a convenient LED indicator showing the strength of suction. Suits busy mums who need a portable pump for on-the-go use and want to see suction strength at a glance.
- Connector & Tubing Set - Compact Single Electric Breast Pump: The Connector & Tubing Set for the Compact Single Electric Breast Pump is compatible with the Compact Single Electric Breast Pump only. You must buy the matching spare kit if your connector or tubing is damaged or misplaced, or the pump will not work.
- Connector & Tubing Set - Double Electric Breast Pump: The Connector & Tubing Set for the Double Electric Breast Pump fits the SmartPump 2.0 and 2-in-1 Double Electric Breast Pumps. It contains 1 x 600mm tubing, 2 x 300mm tubing, a Y-connector for double or single expressing, a pump connector and a resealable tab. If you choose a double pump, this kit lets you replace worn tubing and switch between double and single expressing without buying a different pump.
Who should choose which
Best for
- Mums who express occasionally and want a lightweight, travel-friendly pump
- Parents who need one hand free to comfort or hold their baby while pumping
- Anyone who wants a lower-cost electric pump with a simple LED suction indicator
Not for
- Parents who pump frequently and want to shorten each session by expressing both breasts at once
- Those building a regular freezer stash who need maximum efficiency per session
- Anyone who wants a pump that can switch between double and single expressing without buying a separate model
